EP1995844B1 - Verfahren zur detektion der verbindung einer fernstromversorgung und netzbestromungsverfahren und system - Google Patents
Verfahren zur detektion der verbindung einer fernstromversorgung und netzbestromungsverfahren und system Download PDFInfo
- Publication number
- EP1995844B1 EP1995844B1 EP07711034A EP07711034A EP1995844B1 EP 1995844 B1 EP1995844 B1 EP 1995844B1 EP 07711034 A EP07711034 A EP 07711034A EP 07711034 A EP07711034 A EP 07711034A EP 1995844 B1 EP1995844 B1 EP 1995844B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- powered device
- capacitor
- voltage
- timing
- charge
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 238000000034 method Methods 0.000 title claims abstract description 31
- 239000003990 capacitor Substances 0.000 claims abstract description 65
- 238000012360 testing method Methods 0.000 claims description 30
- 238000001914 filtration Methods 0.000 claims description 4
- 238000006243 chemical reaction Methods 0.000 description 19
- 238000004891 communication Methods 0.000 description 16
- 238000010586 diagram Methods 0.000 description 9
- 238000010998 test method Methods 0.000 description 9
- 238000013461 design Methods 0.000 description 4
- 238000012423 maintenance Methods 0.000 description 4
- 239000000969 carrier Substances 0.000 description 2
- 239000004020 conductor Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000012544 monitoring process Methods 0.000 description 2
- 101150012579 ADSL gene Proteins 0.000 description 1
- 102100020775 Adenylosuccinate lyase Human genes 0.000 description 1
- 108700040193 Adenylosuccinate lyases Proteins 0.000 description 1
- 230000005856 abnormality Effects 0.000 description 1
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- 238000005259 measurement Methods 0.000 description 1
- 238000011017 operating method Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
Images
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M19/00—Current supply arrangements for telephone systems
- H04M19/001—Current supply source at the exchanger providing current to substations
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L12/00—Data switching networks
- H04L12/02—Details
- H04L12/10—Current supply arrangements
Claims (11)
- Vermittlungsstellen-Stromquelle, die über Teilnehmerleitungen mit einer bestromten Einrichtung verbunden ist, dadurch gekennzeichnet, dass die Vermittlungsstellen-Stromquelle ein Stromversorgungsmodul, eine Timing- und Steuerschaltung und Komparatorschaltungen umfasst; wobei die Komparatorschaltungen, die Teilnehmerleitungen und ein charakteristischer Kondensator der bestromten Einrichtung eine Widerstand-Kondensator-Lade-/-Entladeschleife bilden;
wobei die Komparatorschaltungen dafür ausgelegt sind, während der Ladung/Entladung des charakteristischen Kondensators einen Spannungseingang darin zu detektieren und ein entsprechendes Pegelsignal an die Timing- und Steuerschaltung auszugeben;
die Timing- und Steuerschaltung dafür ausgelegt ist, das Laden/Entladen der Lade-/Entladeschleife gemäß dem Pegelsignal zu steuern, und gemäß einer Entladezeit der Lade-/Entladeschleife bestimmt, ob die bestromte Einrichtung bereit ist; und
das mit der Timing- und Steuerschaltung verbundene Stromversorgungsmodul dafür ausgelegt ist, der bestromten Einrichtung Hochspannungsstrom zuzuführen, wenn die bestromte Einrichtung bereit ist. - Vermittlungsstellen-Stromquelle nach Anspruch 1, dadurch gekennzeichnet, dass eine der Komparatorschaltungen Spannungsteilerwiderstände, eine Referenzstromquelle und einen Komparator umfasst, in denen eine Anschlussspannung der Spannungsteilerwiderstände und eine Spannung der Referenzstromquelle eingegeben werden, wobei ein Vergleichsergebnis des Komparators an die Timing- und Steuerschaltung ausgegeben wird.
- Fernstromversorgungssystem, dadurch gekennzeichnet, dass das Fernstromversorgungssystem eine Vermittlungsstellen-Stromquelle nach Anspruch 1 oder 2 und eine bestromte Einrichtung umfasst, die Vermittlungsstellen-Stromquelle über die Teilnehmerleitungen mit der bestromten Einrichtung verbunden ist, die bestromte Einrichtung den charakteristischen Kondensator aufweist, wobei die Komparatorschaltung, die Teilnehmerleitungen und der charakteristische Kondensator eine Widerstand-Kondensator-Lade-/-Entladeschleife bilden.
- Fernstromversorgungssystem nach Anspruch 3, dadurch gekennzeichnet, dass die bestromte Einrichtung ferner eine Isolationsschaltung umfasst, die mit beiden Anschlüssen des charakteristischen Kondensators verbunden ist und den charakteristischen Kondensator von anderen Kondensatoren in der bestromten Einrichtung isoliert.
- Fernstromversorgungssystem nach Anspruch 4, dadurch gekennzeichnet, dass die Isolationsschaltung eine Diodenschaltung oder ein Brückengleichrichter ist.
- Fernstromversorgungssystem nach Anspruch 3, dadurch gekennzeichnet, dass der charakteristische Kondensator ein Kondensator zum Speichern von elektrischer Energie und/oder zur Filterung in der bestromten Einrichtung ist.
- Fernstromversorgungssystem nach Anspruch 3 oder 6, dadurch gekennzeichnet, dass die bestromte Einrichtung ferner einen Signalübertrager umfasst und der charakteristische Kondensator an einer Mittelanzapfung des Signalübertragers angeordnet ist.
- Verfahren zum Detektieren einer bestromten Einrichtung, mit den folgenden Schritten:Leiten einer Prüfspannung zu einer Komparatorschaltung und Zuführen der Prüfspannung zu einem charakteristischen Kondensator der bestromten Einrichtung über Teilnehmerleitungen;Stoppen des Leitens der Prüfspannung unter der Kontrolle einer Timing- und Steuerschaltung, wenn ein Ausgangspegel der Komparatorschaltung ein erster Pegel ist, so dass sich eine aus den Teilnehmerleitungen und dem charakteristischen Kondensator gebildete Lade-/Entladeschleife entlädt, und Starten des Timings der Timing- und Steuerschaltung; undStoppen des Timings der Timing- und Steuerschaltung, wenn sich die Lade-/Entladeschleife entlädt, um zu bewirken, dass der Ausgangspegel der Komparatorschaltung ein zweiter Pegel wird, Erhalten einer Entladezeit und Bestimmen, ob die bestromte Einrichtung bereit ist, gemäß der Entladezeit.
- Verfahren nach Anspruch 8, dadurch gekennzeichnet, dass der Schritt des Bestimmens, ob die bestromte Einrichtung bereit ist, gemäß der Entladezeit, Folgendes umfasst:Berechnen einer Gesamtkapazität der ganzen Lade-/Entladeschleife gemäß der Entladezeit und Bestimmen, ob die bestromte Einrichtung bereit ist, gemäß der berechneten Gesamtkapazität der Schleife; Bestimmen, dass die bestromte Einrichtung zuverlässig verbunden ist, wenn die Gesamtkapazität größer als der charakteristische Kondensator ist, und entsprechendes Bestimmen, dass die bestromte Einrichtung bereit ist; andernfalls Bestimmen, dass die bestromte Einrichtung nicht bereit ist.
- Verfahren nach Anspruch 9, dadurch gekennzeichnet, dass die Gesamtkapazität der gesamten Lade-/Entladeschleife gemäß der folgenden Gleichung berechnet wird:
wobei τ = RC, R ein Ersatzwiderstand der Lade-/Entladeschleife, C eine Ersatzkapazität der Lade-/Entladeschleife, Uc eine Endspannung des Ersatzkondensators und U0 eine Anfangsspannung des Ersatzkondensators ist. - Verfahren nach Anspruch 8, dadurch gekennzeichnet, dass der charakteristische Kondensator ein Kondensator zum Speichern von elektrischer Energie und/oder zum Filtern in der bestromten Einrichtung ist.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN2006100581895A CN101035178B (zh) | 2006-03-10 | 2006-03-10 | 远程供电系统、远端电源在位检测方法以及远程供电方法 |
PCT/CN2007/000663 WO2007104232A1 (fr) | 2006-03-10 | 2007-03-02 | Procédé permettant de détecter la connexion d'une alimentation électrique à distance et procédé et système d'alimentation de ligne électrique |
Publications (4)
Publication Number | Publication Date |
---|---|
EP1995844A1 EP1995844A1 (de) | 2008-11-26 |
EP1995844A9 EP1995844A9 (de) | 2009-06-17 |
EP1995844A4 EP1995844A4 (de) | 2009-07-22 |
EP1995844B1 true EP1995844B1 (de) | 2010-11-03 |
Family
ID=38509039
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP07711034A Active EP1995844B1 (de) | 2006-03-10 | 2007-03-02 | Verfahren zur detektion der verbindung einer fernstromversorgung und netzbestromungsverfahren und system |
Country Status (5)
Country | Link |
---|---|
EP (1) | EP1995844B1 (de) |
CN (1) | CN101035178B (de) |
AT (1) | ATE487319T1 (de) |
DE (1) | DE602007010251D1 (de) |
WO (1) | WO2007104232A1 (de) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106684851A (zh) * | 2016-12-30 | 2017-05-17 | 广州大中科技发展有限公司 | 一种安全供电的方法及系统 |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB1387565A (en) | 1971-02-16 | 1975-03-19 | Post Office | Supplying a charging current by way of telephone lines |
GB8822755D0 (en) * | 1988-09-28 | 1988-11-02 | Northern Eng Ind | Bell capacitance measuring circuit |
FR2752126B1 (fr) * | 1996-07-31 | 1999-04-09 | Gandar Marc | Systeme de telealimentation d'elements connectes a un reseau |
CN2355484Y (zh) * | 1998-06-15 | 1999-12-22 | 栖霞市宏远电力有限公司 | 一种漏电触电保护器 |
US6606383B1 (en) * | 1999-04-19 | 2003-08-12 | Adtran Inc. | Automatic remote termination sensing and line powering scheme |
CN2548216Y (zh) * | 2002-05-14 | 2003-04-30 | 王永亮 | 远程控制的交流电源开关 |
CN100521721C (zh) * | 2005-06-30 | 2009-07-29 | 艾默生网络能源有限公司 | 一种远供电源触电保护系统及其触电保护方法 |
-
2006
- 2006-03-10 CN CN2006100581895A patent/CN101035178B/zh active Active
-
2007
- 2007-03-02 WO PCT/CN2007/000663 patent/WO2007104232A1/zh active Application Filing
- 2007-03-02 EP EP07711034A patent/EP1995844B1/de active Active
- 2007-03-02 DE DE602007010251T patent/DE602007010251D1/de active Active
- 2007-03-02 AT AT07711034T patent/ATE487319T1/de not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
ATE487319T1 (de) | 2010-11-15 |
CN101035178B (zh) | 2010-06-09 |
EP1995844A1 (de) | 2008-11-26 |
WO2007104232A1 (fr) | 2007-09-20 |
EP1995844A9 (de) | 2009-06-17 |
CN101035178A (zh) | 2007-09-12 |
DE602007010251D1 (de) | 2010-12-16 |
EP1995844A4 (de) | 2009-07-22 |
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